Methods for matching ridge orientation characteristic maps...

Details Methods for matching ridge orientation characteristic maps... Methods for matching ridge orientation characteristic maps...

2004-10-01

2009-10-06

Bella, Matthew C (Department: 2624)

Image analysis

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active

07599530

ABSTRACT:
A method for comparing a finger biometric verify ridge orientation characteristic map to a finger biometric enrollment ridge orientation characteristic map may include generating a first probability distribution function substantially for corresponding values of the verify and enrollment ridge orientation characteristic maps that differ from one another by less than or equal to a threshold difference. A second probability distribution function may be generated substantially for corresponding values of the verify and enrollment ridge orientation characteristic maps that differ from one another by more than the threshold difference. The verify ridge orientation characteristic map may be compared to the enrollment ridge orientation characteristic map to determine a match therewith based upon the first and second probability distribution functions.

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